Some suggestions for llvm lobunwind

When I compiling mesa, configure script could not find libunwind by pkgconfig. After adding pkgconfig file for llvm libunwind, compilation runs well.
So can you add pkgconfig file of llvm libunwind in your libunwind project

When I compiling mesa, configure script could not find libunwind by pkgconfig. After adding pkgconfig file for llvm libunwind, compilation runs well.
So can you add pkgconfig file of llvm libunwind in your libunwind project

I think its a good idea. We carry it for yocto separately here
https://github.com/kraj/meta-clang/blob/master/recipes-devtools/clang/clang/libunwind.pc.in